package thread;

public class SyncDemo3 {
    public static void main(String[] args) {
//        Thread t = new Thread(()->Boo.doSome());
//        Thread t1 = new Thread(()->Boo.doSome());

        Boo b1 = new Boo();
        Boo b2 = new Boo();

        Thread t = new Thread(() -> b1.doSome());
        Thread t1 = new Thread(() -> b2.doSome());

        t.start();
        t1.start();
    }
}

class Boo {
    public static void doSome() {
        synchronized (Boo.class) {
            Thread t = Thread.currentThread();
            System.out.println(t.getName() + "正在执行");
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(t.getName() + "执行完毕");
        }
    }
}
